livestock biosecurity network - leading sheep · livestock biosecurity network botulism june 2015...
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LIVESTOCK BIOSECURITY NETWORK
Botulism
June 2015
Dr Sarah-Jane Wilson Regional Manager Northern Australia
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Botulism • Clostridial bacteria • Can form spores which are
environmentally stable in many conditions
• Produces a neurotoxin (affects nerves)
• Cattle, sheep, horses, pigs, horses, goats, poultry and humans can all be affected
• Preventable, but difficult (and very unproductive) to treat • Predisposition to bone/carrion chewing can increase risk of
disease occurrence in unvaccinated livestock (Northern Aus).
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Clinical signs • Sudden death • Ascending flaccid paralysis • Drooling • Trouble swallowing • Often lie with head turned to
flank
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Vaccination protocols for botulism
Sheep and cattle: Traditional protocol: • 2 doses (4-6 weeks apart) • Yearly booster
Cattle only alternative options: • Single initial dose • 1-3 yearly
booster depending on product
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Other preventative measures Keep aggregation areas and watering points free from bones and carcases
Protein and phosphorus supplementations may help reduce predisposition to bone chewing
Provide good quality silage/hay free from contaminants (Fodder vendor declarations)
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Questions??? Sarah-Jane Wilson – [email protected]
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Other resources on vaccinations http://www.mla.com.au/mbfp/Herd-health-and-welfare/Tool-62-Cattle-disease-vaccines
http://www.makingmorefromsheep.com.au/healthy-contented-sheep/index.htm
FutureBeef – https://futurebeef.com.au/knowledge-centre/husbandry/vaccinations-for-beef-cattle/
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Photo credits and references Slide 3: http://www.britannica.com/science/campylobacteriosis
Slide 4: www.africavet.co.za; www.abc.net.au; www.old.elensburg.com; www.sheep101.info
Slide 5 :www.imgkid.com;
Slide 6: Fitzpatrick,S. (2006) Botulism Poisoning in Cattle in the Northern Territory, viewed online at http://www.nt.gov.au/d/Content/File/p/Anim_Dis/651.pdf; https://cattleproducer.wordpress.com/category/animal-welfare-2/page/3/;
http://www.infonet-biovision.org/default/ct/671/animalDiseases
Slide 8: www.Britannica.com/science/campylobacter
Slide 9: http://www.slideshare.net/schoenian/parturition; www.vetnext.com
Slide 10: www.cattletoday.com
Slide 11: Lane et al (2015), Priority list of endemic diseases for the red meat industries. Meat and Livestock Australia, Sydney.
Slide 13: Lane et al (2015), Priority list of endemic diseases for the red meat industries. Meat and Livestock Australia, Sydney.
Slide 14: www.thesentimentalbloke.com
Slide 16:http://www.britannica.com/science/Leptospira; www.dairy.edu.au
Slide 17: http://alonso-amelot.yolasite.com/english.php; www.vetsonline.com